Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA78997F
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Packaging Corp of America
Original Assignee
Packaging Corp of America
Publication date
Priority to CA78997FpriorityCriticalpatent/CA78997S/en
Application grantedgrantedCritical
Publication of CA78997SpublicationCriticalpatent/CA78997S/en